/*全局背景色*/
body{
  background: url("../background/food.jpg") center top;
  background-size: 100% auto;
}

/*标题背景色*/
.title{
  background-color: rgba(0,0,0,0.6);
}

/*文本颜色*/
.body-item>span{
  color: #000;
  background: rgba(255,255,255,0.5);
  border-radius: 10px;
}
.body-item:hover span{
  color: #000;
  background: rgba(255,255,255,0.9);
}